18056 results about "Power module" patented technology

A handheld fan includes a housing, a fan module, a power module, and a retractable cable module. The fan module is disposed in the housing, the power module is disposed in the housing and configured to supply power to the fan module, the retractable cable module is disposed in the housing and includes a cable retractable relative to the housing to be withdrawn into the housing or extended out of the housing, and the cable is configured to connect to an external electronic device, and supply power to the external electronic device through the power module. When a user carries the handheld fan and has a charging need, the cable is capable of being pulled out of the housing of the handheld fan, and connected to the external electronic device including a mobile phone. The power module is configured to supply power to the external electronic device.

The invention provides a multi-network integration ship-shore communication system and an intelligent ship remote driving control system based on a ship Internet of Things, and the hardware part of the multi-network integration ship-shore communication system comprises an integrated circuit board, a power module, an edge calculation module, a communication module, and an extensible communication interface, wherein the power module, the edge calculation module, the communication module, and the extensible communication interface are installed on the integrated circuit board. The communication module comprises a 4G / 5G communication module and / or a satellite module and / or a microwave module and / or a VHF module and / or an AIS module and / or a Beidou satellite module, the edge calculation module is connected with the power supply module, the communication module and the extensible communication interface, and the software part comprises a multi-network integration management software module. And the multi-network integration management software module is installed in the edge computing module. The method has the advantages that the multi-link aggregation system is used, the network transmission rate and stability are improved in the application scene of ship inland river shipping, complementation with a satellite communication system can be formed, and the service stability is further enhanced.

The invention discloses an automobile charging pile dynamic power distribution system based on multiple power modules, and relates to the technical field of automobile charging piles, a data monitoring module monitors the harmonic component of each power module and the charging demand of an automobile in real time, an analysis module calculates the harmonic abnormal index according to the harmonic component data, and feeds back the harmonic abnormal index to a regulation and control module; and the regulation and control module analyzes the charging demand and the harmonic abnormal index by applying fuzzy logic and dynamically adjusts the output frequency and phase of each power module, so that the harmonic interference risk is effectively reduced, the charging efficiency, stability and safety of the system are improved, the charging demand and harmonic suppression can be balanced, and intelligent power distribution can be realized. And stable and reliable operation of a power grid and charging equipment is ensured.

The invention relates to the technical field of packaging of power electronic devices, in particular to a three-dimensional packaged double-sided heat dissipation power module. The structure comprises an upper active metal brazing base material substrate and a lower active metal brazing base material substrate, a plurality of silicon carbide MOSFET chips, conductive strips and an inserter used for fixing the chips are arranged between the upper active metal brazing base material substrate and the lower active metal brazing base material substrate, the upper half-bridge chip is annularly arranged around a direct-current positive terminal, the lower half-bridge chip is annularly arranged around a direct-current negative terminal, and heat dissipation channels are formed in the upper surface and the lower surface of each chip. The impedance of branches is controlled to be equal, the current of each branch chip is balanced, the distance and layout of the chips are optimized, the overall loop area is reduced, the parasitic stray inductance of the module is reduced, in addition, the chips and the substrate are connected in a crimping mode, the chips and the copper columns are in contact through pressure to achieve electric heat conduction, the crimping materials are graphene sheets and molybdenum sheets, and the cost is low. Good contact between the chip and the copper columns is ensured, and contact resistance and thermal resistance are reduced. According to the invention, the effects of improving the heat dissipation efficiency, reducing parasitic stray inductance, balancing the current distribution of the parallel chips, and enhancing the module reliability and the conversion efficiency are achieved.

The present invention relates to the technical field of microfluidics, and discloses a microfluidic chip, which comprises a mixing detection module, a control valve and a power module, and the mixing detection module comprises a plurality of storage cavities, a first channel, a second channel, a third channel, a common channel, a mixing cavity and a detection cavity. According to the invention, the storage cavity for providing the reagent, the channel for fluid such as the reagent and the sample to flow, the mixing cavity for mixing and reacting the fluid such as the reagent and the sample, and the detection cavity for analyzing and detecting the sample are integrated on the mixing detection module; a control valve and a power module which are used for realizing directional flow and mixed reaction of fluid in each channel are arranged as parts which can be removed relative to the mixed detection module, so that the integration degree of the micro-fluidic chip can be improved, and the volume of the micro-fluidic chip can be reduced; in addition, the installation and replacement of the mixed detection module serving as a consumable are facilitated, and the flexibility and convenience of the micro-fluidic chip in use are effectively improved.

A high energy density lithium water-activated battery having a compact, readily manufacturable, and scalable electrode stack structure has enhanced tolerance to stress conditions such as shock and vibration, which may be experienced during shipping, transport and / or deployment into a waterbody (e.g., an ocean). A Li seawater battery pack can provide power to a marine device deployed in or on the surface of a waterbody via one or more seawater battery modules and a power circuit module having one or more input terminals for receiving battery voltages from the one or more battery modules. The power module conditions each of the battery voltages and consolidates these into a single operating output voltage, and the cathode electrodes from each of the battery modules share a common electrolyte comprising water from the waterbody.

The invention is suitable for the technical field of charging piles, and particularly relates to a charging pile power distribution method and device, equipment and a medium. According to the method, the current charging demand of a target charging pile is collected in real time, when the current charging demand is larger than the charging demand at the last collection moment, the first target number of power modules needing to be added is determined, a first path set of the target charging pile and each remaining available power module is obtained, and according to a preset limiting condition, the first path set is determined; screening the first path set to obtain a screened path set, determining the weight of the corresponding path according to the path parameter of each path in the screened path set, determining a target path according to the first target number and the weight of each path in the screened path set, and controlling the target path to be conducted, according to the invention, the power distribution is dynamically optimized according to the actual charging demand and the power supply condition, so that the charging efficiency can be effectively improved, and the power loss is reduced.

The invention discloses a heat dissipation optimization method and system for a power device based on heat flow path reconstruction, and aims to improve the heat dissipation efficiency of the power device in the working process and reduce the adverse effect of thermal stress on the performance and service life of the device. The method comprises the following steps: firstly, acquiring real-time temperature field distribution data of a target power module during the working period of a power device, and determining an initial heat flow path of the module based on the data; performing heat sensitivity analysis on each component in the target power module; identifying a heat flow shielding area according to the heat sensitive data, and reconstructing the initial heat flow path on this basis to generate an optimized heat flow path; and finally, an efficient heat dissipation channel is constructed according to the optimized heat flow path, so that effective heat dissipation optimization of the power device is realized. The method can dynamically identify the thermal bottleneck and actively optimize the heat dissipation path, is suitable for thermal management design of high-power-density electronic equipment, and has high engineering practical value.

The utility model relates to an electric control assembly and a vehicle. The electric control assembly comprises a power module and a capacitor. The positive terminal and the negative terminal of the power module each comprise a first horizontal lead-out part parallel to the power module body. The main body parts of the first horizontal lead-out parts of the positive terminal and the negative terminal of the power module are completely stacked and arranged at intervals; the positive terminal of the power module is welded with the positive terminal of the capacitor, and the negative terminal of the power module is welded with the negative terminal of the capacitor. By adopting a welding mode, the strength of the welding position between the terminals is increased, the vibration durability and reliability are enhanced, the contact resistance between the terminals is reduced, and the thermal risk is reduced. And the positive and negative terminals of the power module do not need to be staggered and avoided for mounting screws, so that the main body parts of the first horizontal lead-out parts of the positive and negative terminals of the power module can be completely stacked, the equivalent series inductance between the positive and negative terminals is reduced, the switching loss of the power module is reduced, and the working efficiency is improved.

The invention discloses a hydraulic gate operation posture monitoring and early warning device and method. The device comprises a force measuring sensor, an acceleration sensor and a rocking-turn sensor which are arranged on the surface of a hydraulic gate metal structure, and meanwhile a controller module, a power module and a communication module are arranged on the top of a gate leaf. Through sensors arranged at specific positions, monitoring data such as gate opening and closing force F, gate attitude (a ', omega', alpha, beta and gamma) information and operation excitation acceleration (vibration frequency f and amplitude h) are obtained, then the monitoring data of the sensors are processed in a centralized mode through a monitoring control module, and an information frequency spectrum of the gate operation attitude is extracted; and obtaining the operation attitude of the gate according to a maximum membership principle fuzzy comprehensive evaluation method, and verifying and comparing the operation attitude with the limit value and the inherent frequency to identify the operation safety attitude of the gate.

The invention relates to a multi-point temperature control method and system based on intelligent temperature equalization control, and the method comprises the steps: collecting the temperature data of each region in frequency converter equipment in real time, and enabling the regions to comprise but not limited to a power module, a power module and a heat dissipation region; based on the temperature data, a deviation value between the temperature of each region and a preset target temperature is calculated through a preset analysis algorithm, and a temperature adjustment requirement of each region is generated based on the deviation value; based on the temperature adjusting requirements of all the areas, adjusting parameters of the cooling equipment are calculated through an optimization algorithm, and a corresponding control instruction is generated in combination with the load state of the frequency converter equipment; and the control instruction is transmitted to the cooling equipment, and corresponding parameters of the cooling equipment are adjusted according to the control instruction. The method has the effect of improving the temperature control precision.

The invention relates to the technical field of exercise rehabilitation, and discloses a percutaneous spinal nerve electrical stimulation system and method, and the system comprises a power module which is used for converting an external alternating current into a stabilized power supply; the MCU module controls the pulse signal generation module; the pulse signal generation module is used for generating an electrical stimulation waveform; the DAC module receives the digital signal; the modulation module is used for receiving analog signals; the amplification module is used for receiving modulation waveforms; the multi-channel gating module is used for distributing stimulation current to a plurality of channels; the current detection module monitors the magnitude of current output by each channel in real time; and the ADC module performs digital conversion on the current analog signal output by the electrical stimulator. According to the invention, multi-channel and real-time modulation electrical stimulation signals can be output through modulation of two paths of stimulation signals, spinal cord sensory nerves are activated through the non-invasive epidermal electrode, amputation hand feeling is induced, the defect that electromyographic signals are interfered by the tail end of a stump in the prior art is improved, and the accuracy of an electromyographic signal decoding algorithm is also improved.

Disclosed in the present invention is a packaging structure of a half-bridge power module. The packaging structure comprises an insulating and thermal conductive plate, a multi-layer circuit board, a plastic package body and a bridge arm switch. Further disclosed in the present invention is the use of a packaging structure of a half-bridge power module in an OBC power source converter, a DCDC isolated converter, a non-isolated power source converter, a cardiac arrest awakening apparatus, and a circuit module formed by means of combining multiple half bridges such as ANPC, TNPC and Heric. Further disclosed in the present invention is a manufacturing method for a packaging structure of a half-bridge power module. The method comprises: performing assembling; providing an overflow region; and synchronously performing filling and grinding to remove the overflow region. In the present invention, a minimum size and a low impedance are achieved by means of DBC, flexible pin leading-out and welding are realized by means of a PCB, the reliability, safety and heat dissipation of modules are supported by means of a plastic packaging body, and the extension of a temperature monitoring unit and a decoupling capacitor is supported.

The invention discloses a temperature control method for an intelligent power module based on a gallium nitride power chip, and relates to the technical field of module control, and the method comprises the steps: collecting the temperature data of the intelligent power module through a distributed temperature sensor, carrying out the preprocessing, and carrying out the dynamic power path adjustment of the intelligent power module according to the temperature data; predicting a future temperature based on the power path adjusted by the intelligent power module by using an intelligent algorithm, and performing adjustment according to a prediction result; the intelligent power module cooling system is optimized in combination with the temperature data and the prediction result; and displaying the temperature data and the power path in real time, and storing the temperature data and the power path in a database. According to the method, safe operation of the intelligent power module is guaranteed, accurate adjustment of the power is achieved, meanwhile, the power adjustment effect and cooling system optimization are verified by predicting the future temperature, and the accuracy and flexibility of power adjustment are further improved.

The invention relates to the technical field of performance simulation analysis, in particular to a performance simulation method of a power module. The method comprises the following steps: acquiring initial physical characteristic data and initial electrical characteristic data of a power module; the initial physical characteristic data and the initial electrical characteristic data are preprocessed and simulated, and physical field distribution characteristics in the power module are obtained; performing multi-physical field simulation analysis on the power module based on physical field distribution characteristics in the power module by using an adaptive grid generation algorithm and sparse matrix solution to obtain simulation result data; performing parameter adjustment and optimization on a simulation model of the power module according to the simulation result data to generate optimized simulation model parameter data; and according to the optimization simulation model parameter data, performing simplification processing on the design of the power module to establish a simplified model. Through multi-stage simulation and optimization, the performance and the control precision of the power module can be remarkably improved, and the stability and the efficiency of the system are improved.

The invention provides an all-silicon carbide double-sided heat dissipation module packaging method based on gradient thermal resistance optimization, and belongs to the technical field of electronic component packaging. Establishing a thermal resistance characteristic curve, and calculating a gradient thermal resistance vector to determine a heat flow path; constructing a heat dissipation temperature distribution matrix; obtaining thermal diffusion data; heat dissipation path thermal resistance is calculated by combining the thermal diffusion matrix and the temperature distribution matrix, and a thermal resistance sparse matrix is established and is dimensionally reduced into a thermal resistance low-dimensional matrix; calculating an optimal heat dissipation path parameter set; inputting the parameter set into a thermal resistance prediction deep attention network model for verification and fine tuning, and generating a final thermal resistance distribution scheme; a module structure and a material ratio are designed according to the scheme to form a sandwich structure; a silver paste sintering process is adopted to realize low thermal resistance connection and complete packaging, and the technical problems of non-uniform thermal resistance distribution and difficulty in optimizing a heat flow path in a double-sided heat dissipation structure of a silicon carbide power module in the prior art are solved.

The invention discloses a power distribution network scene low-voltage electric quantity internet-of-things monitoring device and method, and the device comprises a sensing layer, a network layer and an application layer, the sensing layer comprises a plurality of electric quantity collection terminal nodes, and each electric quantity collection terminal node comprises a current transformer, a voltage transformer, a metering chip, a first Bluetooth Mesh communication module and a first power module. And the metering chip converts analog signals acquired by the current transformer and the voltage transformer into digital signals and calculates to obtain voltage, current, power, electric quantity, frequency and other electric quantity parameters. According to the invention, automatic acquisition, wireless transmission, remote monitoring, intelligent analysis and visual display of the electric quantity data of the low-voltage side of the power distribution network can be realized; and meanwhile, an early warning effect can be achieved, early warning can be given out for possible faults of the line, the manual field patrol intensity is reduced, and an Internet of Things solution which is low in cost, high in efficiency, easy to deploy and wide in coverage is provided for low-voltage electric quantity monitoring of the power distribution network.

The invention discloses an intelligent hardware equipment monitoring method based on the Internet of Things, which comprises the following steps of: acquiring data such as sensor signals, temperature power consumption of a processor, voltage and current of a power supply module and the like in real time, processing the data by applying technologies such as a filtering algorithm, a causal inference model and time sequence analysis and judging the performance change of a component; and inputting the processed data into a pre-training regression model, predicting the residual life of each component and generating a health score, integrating the health scores of each component, introducing a dynamic correlation analysis and adaptive weight adjustment mechanism, constructing a system-level health state report, and generating a priority maintenance plan for high-risk components based on the report. Intelligent evaluation and prediction of the health state of the hardware component are realized, interruption of operation of the monitoring system due to hardware faults is effectively avoided, and the reliability and maintenance efficiency of the system are improved.

A power module includes a power input end, a first DC / DC power converter, a second DC / DC power converter, a switching unit, and at least two load output ends. A first input end of the first DC / DC power converter and a second input end of the second DC / DC power converter are coupled to a first power supply by using the power input end of the power module, a first output end of the first DC / DC power converter and a second output end of the second DC / DC power converter are coupled to one end of the switching unit, and the other end of the switching unit is coupled to load by using any one of the at least two load output ends of the power module.

The invention discloses a photovoltaic hydrogen production power supply topological structure based on MPPT and a control method, and relates to the technical field of renewable energy electrolysis hydrogen production, and the photovoltaic hydrogen production power supply topological structure mainly comprises a photovoltaic power module, a direct current bus, a water electrolysis hydrogen production unit, an energy storage unit and a control unit. The photovoltaic power modules are connected in parallel to the direct current bus through the independent DC / DC converter, and are matched with the automatic identification and scheduling functions of the control unit, the system operation strategy is automatically adjusted when the modules are newly added or faults exit, and plug-and-play, fault isolation and power reconstruction of the photovoltaic power modules can be supported; the duty ratio change step length of the DC / DC converter is limited when the current rapidly fluctuates due to the change of the photovoltaic output power, the current change rate of the electrolytic cell stack is effectively controlled, the service life protection of the electrolytic cell can be considered, the high modular access capability is achieved, multi-source collaborative scheduling is supported, and bus voltage stabilization and system current sharing optimization can be achieved.

The invention discloses an ultra-low power consumption cable tunnel sheath ring current online monitoring device, and relates to the related technical field of power distribution automation, the device comprises a main processor, an LORA wireless communication module, a ring current acquisition module, a Bluetooth module, a power supply module and a battery module, the LORA wireless communication module is used for receiving a wake-up signal sent by a main station; the ring current acquisition module is used for acquiring grounding ring current data, sheath ring current data and cable operation current data; the main processor is used for carrying out influence effect correlation analysis according to the ternary dynamic topology influence model; the Bluetooth module is used for debugging module functions; the power module is used for providing working power; the battery module is used for supplying power. The technical problems of unstable cable tunnel power taking and inconvenient mains supply power supply caused by inaccurate data and difficulty in timely finding and processing of potential cable fault hidden dangers in existing cable sheath ring current monitoring are solved, and the technical effects of improving the cable tunnel power taking stability and power supply convenience are achieved.

The invention relates to the technical field of semiconductors, particularly provides an IGBT and silicon carbide MOSFET hybrid parallel power module, a motor controller and a vehicle, and aims to solve the problems of high cost and low yield of a power module manufactured by a full silicon carbide MOSFET chip. In order to achieve the purpose, the IGBT and silicon carbide MOSFET hybrid parallel power module comprises a mounting base, semiconductor modules distributed in an array mode are arranged on the mounting base, each semiconductor module comprises an upper bridge arm mechanism, a lower bridge arm mechanism and a substrate, and the upper bridge arm mechanisms and the lower bridge arm mechanisms are connected in series to form a half-bridge structure; the upper bridge arm mechanism comprises an IGBT chipset, a silicon carbide MOSFET chipset and an upper bridge gate signal terminal; a gate of the silicon carbide MOSFET chip of the upper bridge arm mechanism and a gate of the IGBT chip are connected with the upper bridge gate signal terminal; the lower bridge arm mechanism comprises an IGBT chip set, a silicon carbide MOSFET chip set and a lower bridge grid signal terminal. A grid of the silicon carbide MOSFET chip of the lower bridge arm mechanism and a grid of the IGBT chip are connected with the lower bridge grid signal terminal.

The invention discloses a platinum resistor high-precision temperature measuring device capable of automatically identifying a wiring mode. The platinum resistor high-precision temperature measuring device comprises a power supply module, a signal detection module, an isolation module, a signal processing module and a cold end temperature measuring module. The power supply module supplies power to the signal detection and processing module. The signal detection module comprises a sensing probe, a wiring identification circuit, a constant current source, a measuring circuit and an analog-to-digital conversion circuit. The sensing probe measures the measured temperature, the wiring identification circuit automatically judges a two-wire system, a three-wire system or a four-wire system and feeds back a result, the constant current source provides positive and negative constant current excitation, and the measuring circuit collects and processes feedback voltage and then sends the feedback voltage to the analog-to-digital conversion circuit. The analog-to-digital conversion circuit is connected with the signal processing module through the isolation module, and the signal processing module calls a corresponding algorithm according to a wiring identification result and outputs final temperature data. According to the invention, high-precision temperature measurement at the grade of + / -0.02 DEG C can be realized in the range of-200 DEG C to 850 DEG C under the three / four-wire system and low-speed sampling conditions.

A surveillance drone system is provided herein generally including an UAV, a base power station, and, a tether for connecting the UAV to the base power station to provide electrical power to the UAV when airborne. The base power station may include a cable take-up assembly for releasing and taking up the tether. A plug or power module is provided at the free end of the tether configured to be detachably coupled with the UAV, to transmit electrical power to, and, possibly, data to and from, the UAV. With the plug or power module being detached, the UAV is free to fly unrestricted. This arrangement allows for the UAV to be airborne for prolonged periods to allow for monitoring a region and for release to allow the UAV to investigate anomalies in the monitored region.

The invention discloses a network construction type inverter for a photovoltaic energy storage system and a virtual synchronous machine control method. The network construction type inverter comprises an inverter power module and a central controller. The central controller is used for collecting power grid operation data in real time and generating a power grid impedance state vector through online impedance identification; and dynamically adjusting virtual inertia and damping parameters of the inverter power module according to the impedance state vector by using an adaptive mapping function so as to realize cooperative control and circulating current suppression between the modules. Performing stability boundary evaluation based on the adjusted parameters, then performing intelligent early warning of the photovoltaic energy storage system, and smoothly switching the operation mode of the inverter power module; according to the invention, through deep integration of a modular hardware architecture and intelligent adaptive control, the inverter has strong autonomous network construction capability, the problems of weak power grid adaptability and transient stability are effectively solved, and the dynamic response and reliability of a photovoltaic energy storage system are improved.

A forming device for a longitudinal submerged arc welded steel pipe. The forming device comprises a welding flux box body (1) and a welding head (2). A movement module (7) is movably connected to the middle end of an inner cavity of the welding flux box body (1). A power module (10) is movably connected to the interior of the middle end of the movement module (7). A movable module (6) is hinged to each of upper and lower ends on two sides of the power module (10), and a push plate (5) engaged with the movable modules (6) is movably connected to the middle of an inner cavity of the power module (10). A communication module (3) is fixedly connected on each of two ends at the bottom of the movement module (7), and each of the upper ends of the two communication modules (3) abuts and is connected to a closing module (4) slidably connected to the top of the welding flux box body (1). A blowing module (9) is fixedly connected on each of two sides of the push plate (5) located at the top end of the interior of the power module (10). An air outlet (11) is provided at each of the lower ends on two sides of the power module (10), and the interior of the air outlet (11) is connected to the blowing module (9). A pulling module (8) is movably connected to the interior of the movement module (7), and the top of the pulling module (8) abuts and is connected to the bottom of the push plate (5). The forming device enables layered processing of welding flux material, preventing partial adhesion of the flux material.

The invention discloses a power domain controller system, which relates to the technical field of vehicle design and research and development and comprises a domain control board, a power module and a high-voltage power distribution part, the domain control board comprises a vehicle control unit, a heat management controller, a battery management system, a gear shifting controller and a power distribution control unit, wherein the heat management controller, the battery management system, the gear shifting controller and the power distribution control unit are electrically connected with the vehicle control unit. The heat management controller is electrically connected with the power distribution control unit. The power module comprises a slow charging motor, a DCDC converter and a relay, the slow charging motor is electrically connected with the battery management system, and the DCDC converter is electrically connected with the gear shifting controller; and the high-voltage power distribution part comprises a copper bar, a relay and a fuse. Through multi-module integration, the number of physical controllers and wiring harness complexity are reduced, the system development and maintenance cost is remarkably reduced, and meanwhile platform expansion is facilitated.

A distributed power-sharing electric vehicle (EV) charging. The system comprises multiple chargers connected via a network. Each charger includes a power module configured to store direct current (DC) power, an output port for supplying power to an electric vehicle, and a sharing port for exchanging power with at least one neighboring charger. First and second switches are positioned between the power module and the output port, and between the power module and the sharing port. A control unit is configured to control the operation of the power module and the switches in response to an EV charging request. When the maximum charging power required by the EV exceeds the rated output power of a single charger, the system delivers power from both the power module and the neighboring charger in an idle state.

A conductive pin for ultrasonic welding is provided. The conductive pin includes a body portion. The conductive pin also includes a pin head at one end of the body portion. The pin head defines a bonding surface configured to be ultrasonically welded to a workpiece. The bonding surface includes at least one of (i) a nonplanar surface and (ii) an aperture defined in a central region of the bonding surface.

The invention relates to a combinable modular automobile emergency power supply, and relates to the technical field of new energy automobiles and intelligent vehicle-mounted power supplies, and the combinable modular automobile emergency power supply comprises a standardized power supply module, a modular connection mechanism and an intelligent management system. Each group of standardized power supply module is an independent unit, is internally provided with a lithium ion battery, is uniform in size and is provided with a standard interface, two sides of the standard interface are provided with magnetic attraction type contacts, one side of each magnetic attraction type contact is provided with a buckle type physical lock catch, a main control chip is integrated, and the electric quantity, temperature and output state of the module are monitored in real time; output voltage and dynamic load balance are dynamically adjusted, so that the standardized power supply modules can be combined into a power supply pack, multiple protection mechanisms are provided, output is dynamically adjusted through a PID algorithm, safety is ensured in combination with a triple protection mechanism, and high-temperature stable operation is achieved in cooperation with a temperature control fan; and reliable connection is ensured through double verification of the magnetic contacts and the Hall sensors.